3751-82-4
4-氧代-吡略烷-1,3-二羧酸二乙酯
→
~92%
14891-10-2
1-乙氧羰基吡咯烷-3-酮
13756-47-3
2-((乙氧基羰基)氨基)乙酸甲酯
+
292638-85-8
~73%
3783-61-7
2-氮杂丁烷-1,4-二羧酸二乙酯
541-41-3
氯甲酸乙酯
14891-08-8
N-(乙氧羰基)-N-(2-乙氧基-2-氧代乙基)-Β-丙氨酸乙酯
93591-91-4
3-hydroxy-pyrrolidine-1-carboxylic acid ethyl ester
130482-76-7
130482-83-6
ethyl 2-(hydroxy(phenyl)methyl)-3-oxopyrrolidine-1-carboxylate